Square millimeters to Square centimeters
1 mm² = 0.01 cm². Edit either value to convert instantly.
Conversion formula
cm² = mm² × (0.000001) × (10,000)1 mm² = 0.01 cm²
square millimeter (mm²)
One square millimeter equals exactly 0.000001 m².
Source: BIPM SI Brochure, 9th edition — SI prefixes and accepted non-SI units
square centimeter (cm²)
One square centimeter equals exactly 0.0001 m².
Source: BIPM SI Brochure, 9th edition — SI prefixes and accepted non-SI units
Conversion table
| mm² | cm² |
|---|---|
| = 0.01 | |
| = 0.02 | |
| = 0.05 | |
| = 0.1 | |
| = 0.15 | |
| = 0.2 | |
| = 0.25 | |
| = 0.3 | |
| = 0.4 | |
| = 0.45 |
| mm² | cm² |
|---|---|
| = 0.5 | |
| = 0.6 | |
| = 0.7 | |
| = 0.8 | |
| = 0.9 | |
| = 1 | |
| = 1.5 | |
| = 1.6 | |
| = 1.7 | |
| = 1.8 |
Frequently asked questions
How many square centimeters are in 1 square millimeter?
1 mm² = 0.01 cm². cm² = mm² × (0.000001) × (10,000)
How do I convert mm² to cm²?
cm² = mm² × (0.000001) × (10,000)
Is 1 square millimeter bigger than 1 square centimeter?
1 mm² = 0.01 cm².
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